feat: convert Flask app to static site generator
Refactored the Flask application to generate a static site instead of running as a dynamic web app. Added a CI workflow to build and deploy the static site on pushes to the 'static' branch. - Replaced Flask route handling with a function that generates HTML files using Jinja2 templates. - Modified the argparse logic to trigger the static site generation. - Updated the .gitignore file to exclude the build directory. - Created a Forgejo Actions workflow to automate the build and deploy process. This change improves performance and reduces server overhead by serving pre-rendered static content.
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3 changed files with 139 additions and 109 deletions
50
.forgejo/workflows/build.yml
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50
.forgejo/workflows/build.yml
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@ -0,0 +1,50 @@
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name: Build and Deploy Static Site
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on:
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push:
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branches:
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- static
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jobs:
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build:
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runs-on: node:20-bookworm
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steps:
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- name: Checkout repository
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uses: actions/checkout@v3
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- name: Install dependencies
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run: |
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apt update
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apt install -y python3 python3-pip
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python -m pip install --upgrade pip
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pip install -r requirements.txt
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- name: Generate static site
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run: python main.py
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- name: Deploy to pages branch
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run: |
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# Configure Git
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git config --global user.name "Forgejo"
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git config --global user.email "noreply@private.coffee"
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# Move generated static site files to a temporary location
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mv build ../static_site_temp
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# Create a new orphan branch named 'pages'
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git checkout --orphan pages
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# Remove all files from the working directory
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git rm -rf .
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# Move the static site files back to the working directory
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mv ../static_site_temp/* ./
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mv ../static_site_temp/.* ./ 2>/dev/null || true
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# Add and commit the static site files
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git add .
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git commit -m "Deploy static site"
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# Force push to the 'pages' branch
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git push origin pages --force
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1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,3 +1,4 @@
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venv/
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*.pyc
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__pycache__/
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build/
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195
main.py
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main.py
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@ -1,10 +1,9 @@
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from flask import Flask, render_template, send_from_directory
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from jinja2 import TemplateNotFound
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from jinja2 import Environment, FileSystemLoader, TemplateNotFound
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import json
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import pathlib
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import os
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import datetime
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import shutil
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from argparse import ArgumentParser
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@ -14,99 +13,90 @@ from helpers.finances import (
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get_latest_month,
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)
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app = Flask(__name__)
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# Configure Jinja2 environment
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env = Environment(loader=FileSystemLoader('templates'))
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# Set up the output directory for static files
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output_dir = pathlib.Path('build')
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output_dir.mkdir(exist_ok=True, parents=True)
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@app.route("/assets/<path:path>")
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def send_assets(path):
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return send_from_directory("assets", path)
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@app.route("/", defaults={"path": "index"})
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@app.route("/<path:path>.html")
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def catch_all(path):
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# Define the icon filter
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def icon(icon_name):
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icon_path = pathlib.Path('assets') / f"dist/icons/{icon_name}.svg"
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try:
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kwargs = {}
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with open(icon_path, 'r', encoding='utf-8') as file:
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file_content = file.read()
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except FileNotFoundError:
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file_content = ''
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return file_content
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if app.development_mode:
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kwargs.update(
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{
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"warning": render_template("prod-warning.html"),
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}
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)
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if path in (
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"index",
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"simple",
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):
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services = json.loads(
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(pathlib.Path(__file__).parent / "data" / "services.json").read_text()
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)
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kwargs.update(
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{
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"services": services,
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}
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)
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if path == "membership":
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finances = json.loads(
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(pathlib.Path(__file__).parent / "data" / "finances.json").read_text()
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)
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allow_current = app.development_mode
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finances_month, finances_year = get_latest_month(finances, allow_current)
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finances_period = datetime.date(finances_year, finances_month, 1)
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finances_period_str = finances_period.strftime("%B %Y")
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finances_table = generate_transparency_table(
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get_transparency_data(
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finances, finances_year, finances_month, allow_current
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)
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)
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kwargs.update(
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{
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"finances": finances_table,
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"finances_period": finances_period_str,
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}
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)
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if path == "transparency":
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finances = json.loads(
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(pathlib.Path(__file__).parent / "data" / "finances.json").read_text()
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)
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finance_data = {}
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for year in sorted(finances.keys(), reverse=True):
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for month in sorted(finances[year].keys(), reverse=True):
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if year not in finance_data:
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finance_data[year] = {}
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print(get_transparency_data(finances, year, month))
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finance_data[year][month] = generate_transparency_table(
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get_transparency_data(finances, year, month)
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)
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kwargs.update(
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{
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"finances": finance_data,
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}
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)
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return render_template(f"{path}.html", **kwargs)
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env.filters['icon'] = icon
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def render_template_to_file(template_name, output_name, **kwargs):
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try:
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template = env.get_template(template_name)
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output_path = output_dir / output_name
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with open(output_path, 'w', encoding='utf-8') as f:
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f.write(template.render(**kwargs))
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except TemplateNotFound:
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return "404 Not Found", 404
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print(f"Template {template_name} not found.")
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def generate_static_site(development_mode=False):
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# Common context
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kwargs = {}
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if development_mode:
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kwargs.update(
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{
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"warning": env.get_template("prod-warning.html").render(),
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}
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)
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@app.route("/metrics/")
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def metrics():
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# Load services data
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services = json.loads(
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(pathlib.Path(__file__).parent / "data" / "services.json").read_text()
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)
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# Load finances data
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finances = json.loads(
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(pathlib.Path(__file__).parent / "data" / "finances.json").read_text()
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)
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# Iterate over all templates in the templates directory
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templates_path = pathlib.Path('templates')
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for template_file in templates_path.glob('*.html'):
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template_name = template_file.stem
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context = kwargs.copy()
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if template_name in ["index", "simple"]:
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context.update({"services": services})
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if template_name == "membership":
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allow_current = development_mode
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finances_month, finances_year = get_latest_month(finances, allow_current)
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finances_period = datetime.date(finances_year, finances_month, 1)
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finances_period_str = finances_period.strftime("%B %Y")
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finances_table = generate_transparency_table(
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get_transparency_data(finances, finances_year, finances_month, allow_current)
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)
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context.update({
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"finances": finances_table,
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"finances_period": finances_period_str,
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})
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if template_name == "transparency":
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finance_data = {}
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for year in sorted(finances.keys(), reverse=True):
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for month in sorted(finances[year].keys(), reverse=True):
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if year not in finance_data:
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finance_data[year] = {}
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finance_data[year][month] = generate_transparency_table(
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get_transparency_data(finances, year, month)
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)
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context.update({"finances": finance_data})
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render_template_to_file(f"{template_name}.html", f"{template_name}.html", **context)
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# Generate metrics
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balances = get_transparency_data(finances, allow_current=True)["end_balance"]
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response = (
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@ -117,33 +107,22 @@ def metrics():
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for currency, balance in balances.items():
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response += f'privatecoffee_balance{{currency="{currency}"}} {balance}\n'
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return response
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metrics_path = output_dir / "metrics.txt"
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with open(metrics_path, 'w', encoding='utf-8') as f:
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f.write(response)
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# Copy static assets
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assets_src = pathlib.Path('assets')
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assets_dst = output_dir / 'assets'
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if assets_dst.exists():
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shutil.rmtree(assets_dst)
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shutil.copytree(assets_src, assets_dst)
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app.development_mode = False
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if os.environ.get("PRIVATECOFFEE_DEV"):
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app.development_mode = True
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def icon(icon_name):
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file = send_from_directory("assets", f"dist/icons/{icon_name}.svg")
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try:
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file_content = file.response.file.read().decode("utf-8")
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except AttributeError:
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file_content = file.response.read().decode("utf-8")
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return file_content
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app.add_template_filter(icon)
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print("Static site generated successfully.")
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if __name__ == "__main__":
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parser = ArgumentParser(description="Run the private.coffee web server.")
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parser.add_argument("--port", type=int, default=9810)
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parser.add_argument("--debug", action="store_true")
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parser.add_argument("--dev", action="store_true")
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parser = ArgumentParser(description="Generate the private.coffee static site.")
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parser.add_argument("--dev", action="store_true", help="Enable development mode")
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args = parser.parse_args()
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app.development_mode = args.dev or app.development_mode
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app.run(port=args.port, debug=args.debug)
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generate_static_site(development_mode=args.dev)
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